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If the Internal Positive Control appears as a pink checkmark after the developer tab is pulled, is this a valid test?

April 26, 2017appears checkmark CONTROL Developer Internal pink positive pulled Tab valid

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If the Internal Positive Control appears as a pink checkmark after the developer tab is pulled, is this a valid test?

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NO. If the checkmark is pink after the developer tab has been pulled, this indicates that either the developer pad was dry (no developer solution was applied to the sample) or the test was performed incorrectly. Do not accept patient results- repeat the test with a new card.